| Main Entry: |
optical illusion
|
| Part of Speech: | noun |
| Definition: | trick on the eyes |
| Synonyms: | apparition, fata morgana, hallucination, illusion, mirage, phantasm, phantasmagoria, specter, trick of eyesight, trick of light, trick of the eyesight, vision, visual fallacy |
| Main Entry: | illusion |
| Part of Speech: | noun |
| Definition: | false appearance; false belief |
| Synonyms: | apparition, bubble*, chimera, confusion, daydream, deception, delusion, déjè vu, error, fallacy, false impression, fancy, fantasy, figment of imagination, fool's paradise, ghost, hallucination, head trip, hocus-pocus, idolism, ignus fatuus, image, invention, make-believe, mirage, misapprehension, misbelief, misconception, misimpression, mockery, myth, optical illusion, paramnesia, phantasm, pipe dream, rainbow*, seeming, semblance, trip*, virtual reality |
| Antonyms: | certainty, event, fact, reality, truth |
| Main Entry: | mirage |
| Part of Speech: | noun |
| Definition: | imaginary vision |
| Synonyms: | delusion, fantasy, hallucination, ignis fatuus, illusion, optical illusion, phantasm |
| Main Entry: | ignis fatuus |
| Part of Speech: | noun |
| Definition: | illusion |
| Synonyms: | apparition, bubble*, chimera, confusion, daydream, deception, deja vu, delusion, error, fallacy, false impression, fancy, fantasy, figment of imagination, fool's paradise, ghost, hallucination, head trip, hocus-pocus, idolism, ignus fatuus, image, invention, make-believe, mirage, misapprehension, misbelief, misconception, misimpression, mockery, myth, optical illusion, paramnesia, phantasm, phantasma, pipe dream, rainbow*, seeming, semblance, trip*, virtual reality, will-o'-the-wisp |